/* roulang page: index */
:root{
  --bg-0:#06120F;
  --bg-1:#0C1E19;
  --bg-2:#122A23;
  --brand:#B8F04A;
  --brand-700:#8CCB2E;
  --accent:#FF9A3C;
  --accent-2:#4FD1C5;
  --ink:#F1F6F2;
  --ink-2:#A7B7AE;
  --ink-3:#6F8378;
  --line:rgba(184,240,74,.14);
  --line-2:rgba(241,246,242,.08);
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-xl:28px;
  --r-pill:999px;
  --shadow:0 14px 34px -20px rgba(0,0,0,.85);
  --inner:inset 0 1px 0 rgba(255,255,255,.04);
  --max:1200px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--ink);
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  padding-top:96px;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    radial-gradient(1.4px 1.4px at 12% 18%, rgba(184,240,74,.30) 40%, transparent 60%),
    radial-gradient(1.2px 1.2px at 78% 12%, rgba(79,209,197,.26) 40%, transparent 60%),
    radial-gradient(1.6px 1.6px at 62% 62%, rgba(255,154,60,.20) 40%, transparent 60%),
    radial-gradient(1.2px 1.2px at 28% 76%, rgba(241,246,242,.16) 40%, transparent 60%);
  opacity:.9;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease)}
a:hover{color:var(--brand)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.32;letter-spacing:-.2px}
h1{font-weight:800;font-size:44px}
h2{font-weight:800;font-size:34px}
h3{font-weight:600;font-size:20px}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid rgba(184,240,74,.55);outline-offset:3px;border-radius:6px}
.wrap{width:min(var(--max),calc(100% - 48px));margin-inline:auto;position:relative;z-index:1}
section{position:relative;z-index:1}
.section{padding:96px 0}
.section-sm{padding:64px 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.12em;
  color:var(--brand);text-transform:none;
  padding:6px 14px;border:1px solid var(--line);border-radius:var(--r-pill);
  background:rgba(184,240,74,.06);
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.section-head h2{font-size:32px}
.section-head .lead{margin-top:10px;color:var(--ink-2);font-size:15px;max-width:620px}
.link-more{display:inline-flex;align-items:center;gap:8px;color:var(--ink-2);font-size:14px;font-weight:600;white-space:nowrap}
.link-more .arw{transition:transform .18s var(--ease)}
.link-more:hover{color:var(--brand)}
.link-more:hover .arw{transform:translateX(4px)}

/* ---------- Dock 导航 ---------- */
.dock{
  position:fixed;top:18px;left:50%;transform:translateX(-50%);
  width:min(var(--max),calc(100% - 32px));
  height:64px;
  display:flex;align-items:center;gap:16px;
  padding:0 12px 0 20px;
  background:rgba(12,30,25,.86);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  box-shadow:var(--inner),var(--shadow);
  z-index:1200;
  transition:height .22s var(--ease),top .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease);
}
.dock.is-scrolled{height:56px;top:12px;background:rgba(9,24,20,.95);border-color:rgba(184,240,74,.26)}
.dock-brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;min-width:0}
.dock-brand svg{width:22px;height:22px;flex:0 0 auto}
.dock-brand .brand-text{font-size:15px;font-weight:800;letter-spacing:.2px;white-space:nowrap;color:var(--ink)}
.dock-brand .brand-sub{display:block;font-size:10px;font-weight:600;color:var(--ink-3);letter-spacing:.16em;line-height:1.1}
.dock-nav{display:flex;align-items:center;gap:6px;flex:1 1 auto;justify-content:center}
.dock-nav a{
  position:relative;display:inline-flex;align-items:center;
  padding:8px 14px;font-size:14px;font-weight:600;color:var(--ink-2);
  border-radius:var(--r-pill);
  transition:color .18s var(--ease),background .18s var(--ease);
}
.dock-nav a:hover{color:var(--brand);background:rgba(184,240,74,.07)}
.dock-nav a.active{color:var(--brand)}
.dock-nav a.active::before{
  content:"";position:absolute;left:4px;top:50%;transform:translateY(-50%);
  width:6px;height:6px;border-radius:50%;background:var(--brand);
}
.dock-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:50%;
  border:1px solid var(--line-2);background:transparent;color:var(--ink-2);
  cursor:pointer;transition:all .18s var(--ease);
}
.icon-btn:hover{color:var(--brand);border-color:rgba(184,240,74,.4);background:rgba(184,240,74,.08)}
.icon-btn svg{width:17px;height:17px}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:var(--r-pill);
  background:var(--brand);color:#0B1F1A;
  font-size:14px;font-weight:700;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:background .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease);
  white-space:nowrap;
}
.btn-main:hover{background:var(--brand-700);color:#0B1F1A;transform:translateY(-1px)}
.btn-main:active{transform:translateY(0)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:var(--r-pill);
  background:transparent;color:var(--ink);border:1px solid var(--line-2);
  font-size:14px;font-weight:600;line-height:1;cursor:pointer;
  transition:all .18s var(--ease);white-space:nowrap;
}
.btn-ghost:hover{border-color:rgba(184,240,74,.45);color:var(--brand);background:rgba(184,240,74,.05)}
.dock-cta{padding:10px 20px;font-size:13px}
.hamburger{display:none}
.dock-scrim{
  position:fixed;inset:0;background:rgba(4,12,10,.62);
  z-index:1100;opacity:0;visibility:hidden;transition:opacity .2s var(--ease),visibility .2s var(--ease);
}
.dock-scrim.show{opacity:1;visibility:visible}

/* ---------- Hero ---------- */
.hero{padding:36px 0 72px;position:relative}
.hero::after{
  content:"";position:absolute;top:-40px;right:-10%;width:560px;height:560px;
  border:1px solid rgba(79,209,197,.16);border-radius:50%;pointer-events:none;z-index:0;
}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center}
.hero-copy h1{margin:20px 0 0;font-size:44px;line-height:1.24;letter-spacing:-.6px}
.hero-copy h1 .hl{color:var(--brand)}
.hero-sub{margin-top:18px;font-size:17px;color:var(--ink-2);max-width:520px;line-height:1.85}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.hero-stats{display:flex;align-items:stretch;gap:0;margin-top:44px;flex-wrap:wrap}
.hero-stats .stat{padding:0 26px;border-left:1px solid var(--line-2)}
.hero-stats .stat:first-child{padding-left:0;border-left:0}
.stat-num{display:block;font-size:28px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1.2;letter-spacing:-.5px}
.stat-label{display:block;font-size:13px;color:var(--ink-3);margin-top:2px}
.hero-media{position:relative;border-radius:var(--r-xl);overflow:hidden;border:1px solid var(--line-2);box-shadow:var(--inner),var(--shadow);aspect-ratio:16/13}
.hero-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.hero-media:hover img{transform:scale(1.03)}
.hero-media .orbit{
  position:absolute;top:-70px;right:-70px;width:240px;height:240px;
  border:1px solid rgba(79,209,197,.35);border-radius:50%;pointer-events:none;
}
.hero-media .orbit::after{
  content:"";position:absolute;inset:34px;border:1px solid rgba(184,240,74,.22);border-radius:50%;
}

/* ---------- 合集目录 ---------- */
.collection-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.col-card{
  position:relative;display:flex;flex-direction:column;
  background:var(--bg-1);border:1px solid var(--line-2);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--inner);
  transition:transform .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease);
  overflow:hidden;
}
.col-card:hover{transform:translateY(-2px);border-color:rgba(184,240,74,.35);box-shadow:var(--inner),var(--shadow)}
.col-card .num{
  position:absolute;top:14px;right:20px;font-size:44px;font-weight:800;line-height:1;
  color:rgba(184,240,74,.13);font-variant-numeric:tabular-nums;
}
.col-thumb{width:100%;aspect-ratio:16/9;border-radius:var(--r-md);overflow:hidden;background:var(--bg-2);margin-bottom:18px}
.col-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.col-card:hover .col-thumb img{transform:scale(1.04)}
.col-card h3{font-size:18px;margin-bottom:8px;position:relative;z-index:1}
.col-card p{font-size:14px;color:var(--ink-2);line-height:1.75;min-height:52px}
.col-foot{display:flex;align-items:center;justify-content:space-between;margin-top:18px;padding-top:16px;border-top:1px solid var(--line-2)}
.badge-count{
  display:inline-flex;align-items:center;padding:4px 11px;border-radius:var(--r-pill);
  background:var(--bg-2);color:var(--ink-2);font-size:12px;font-weight:600;font-variant-numeric:tabular-nums;
}
.badge-cat{
  display:inline-flex;align-items:center;padding:4px 11px;border-radius:var(--r-pill);
  background:rgba(255,154,60,.12);color:var(--accent);font-size:12px;font-weight:600;
}
.col-foot .go{font-size:13px;font-weight:600;color:var(--ink-3);transition:color .18s var(--ease)}
.col-card:hover .col-foot .go{color:var(--brand)}

/* ---------- 精选条目 ---------- */
.feature-grid{display:grid;grid-template-columns:7fr 5fr;gap:28px;align-items:start}
.feature-main{
  background:var(--bg-1);border:1px solid var(--line-2);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--inner);
  transition:transform .18s var(--ease),border-color .18s var(--ease);
}
.feature-main:hover{transform:translateY(-2px);border-color:rgba(184,240,74,.35)}
.feature-main .pic{aspect-ratio:16/9;overflow:hidden;background:var(--bg-2)}
.feature-main .pic img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease)}
.feature-main:hover .pic img{transform:scale(1.04)}
.feature-body{padding:26px}
.feature-body h3{font-size:24px;line-height:1.4;margin:14px 0 12px}
.feature-body p{font-size:15px;color:var(--ink-2);line-height:1.8}
.feature-meta{display:flex;align-items:center;gap:14px;margin-top:20px;font-size:13px;color:var(--ink-3)}
.feature-meta .time{color:var(--accent);font-variant-numeric:tabular-nums}
.feature-side{display:flex;flex-direction:column;background:var(--bg-1);border:1px solid var(--line-2);border-radius:var(--r-lg);padding:6px 22px;box-shadow:var(--inner)}
.side-item{display:block;padding:20px 0;border-bottom:1px solid var(--line-2);transition:padding-left .2s var(--ease)}
.side-item:last-child{border-bottom:0}
.side-item:hover{padding-left:6px}
.side-item .k{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--ink-3);margin-bottom:8px}
.side-item .k .dot{width:5px;height:5px;border-radius:50%;background:var(--accent-2)}
.side-item h4{font-size:16px;font-weight:600;line-height:1.55;color:var(--ink);transition:color .18s var(--ease)}
.side-item:hover h4{color:var(--brand)}
.side-item p{font-size:13px;color:var(--ink-3);margin-top:6px;line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ---------- 最新信息 ---------- */
.news-head{display:flex;align-items:center;gap:12px}
.live-dot{width:7px;height:7px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 0 rgba(184,240,74,.55);animation:pulse 2.2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(184,240,74,.5)}70%{box-shadow:0 0 0 10px rgba(184,240,74,0)}100%{box-shadow:0 0 0 0 rgba(184,240,74,0)}}
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.news-card{
  position:relative;background:var(--bg-1);border:1px solid var(--line-2);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--inner);
  transition:transform .18s var(--ease),border-color .18s var(--ease);
  display:flex;flex-direction:column;
}
.news-card:hover{transform:translateY(-2px);border-color:rgba(184,240,74,.35)}
.news-hit{position:absolute;inset:0;border-radius:var(--r-lg);z-index:2}
.news-card h3{font-size:17px;line-height:1.6;margin:14px 0 10px;transition:color .18s var(--ease)}
.news-card:hover h3{color:var(--brand)}
.news-desc{font-size:14px;color:var(--ink-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:49px}
.news-meta{display:flex;align-items:center;gap:12px;margin-top:18px;padding-top:16px;border-top:1px solid var(--line-2);font-size:13px}
.news-meta time{color:var(--accent);font-variant-numeric:tabular-nums;font-weight:600}
.empty-state{
  grid-column:1/-1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  padding:56px 24px;text-align:center;
  background:var(--bg-2);border:1px dashed var(--line);border-radius:var(--r-lg);
}
.empty-state svg{width:34px;height:34px;color:var(--ink-3)}
.empty-state p{font-size:15px;color:var(--ink-2)}

/* ---------- 相关推荐 ---------- */
.rec-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.rec-card{
  position:relative;border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line-2);
  background:var(--bg-2);aspect-ratio:4/3;
  transition:transform .18s var(--ease),border-color .18s var(--ease);
}
.rec-card:hover{transform:translateY(-2px);border-color:rgba(184,240,74,.4)}
.rec-card img{width:100%;height:100%;object-fit:cover;opacity:.82;transition:transform .45s var(--ease),opacity .3s var(--ease)}
.rec-card:hover img{transform:scale(1.05);opacity:1}
.rec-card .cap{
  position:absolute;inset:auto 0 0 0;padding:34px 16px 14px;
  background:linear-gradient(to top,rgba(6,18,15,.95),rgba(6,18,15,0));
  font-size:14px;font-weight:600;line-height:1.5;color:var(--ink);
}

/* ---------- CTA 面板 ---------- */
.cta-panel{
  position:relative;overflow:hidden;
  background:var(--bg-2);border:1px solid var(--line-2);border-radius:var(--r-xl);
  padding:52px;
  display:flex;align-items:center;justify-content:space-between;gap:40px;
  box-shadow:var(--inner);
}
.cta-panel::after{
  content:"";position:absolute;right:-120px;bottom:-180px;width:420px;height:420px;
  border:1px solid rgba(79,209,197,.18);border-radius:50%;pointer-events:none;
}
.cta-panel h2{font-size:28px;line-height:1.4}
.cta-panel p{margin-top:12px;font-size:15px;color:var(--ink-2);max-width:520px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex:0 0 auto}

/* ---------- 数据带 ---------- */
.band{
  border-top:1px solid var(--line-2);border-bottom:1px solid var(--line-2);
  background:rgba(12,30,25,.55);
}
.band-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.band-item{padding:34px 28px;border-left:1px solid var(--line-2)}
.band-item:first-child{border-left:0}
.band-item .n{font-size:32px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1.15;letter-spacing:-.5px}
.band-item .t{font-size:14px;font-weight:600;margin-top:6px}
.band-item .d{font-size:13px;color:var(--ink-3);margin-top:4px;line-height:1.7}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:900px}
.faq-item{
  background:var(--bg-1);border:1px solid var(--line-2);border-radius:var(--r-lg);
  padding:4px 24px;transition:border-color .18s var(--ease);
}
.faq-item[open]{border-color:rgba(184,240,74,.3)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 0;font-size:16px;font-weight:600;color:var(--ink);
  transition:color .18s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand)}
.faq-icon{position:relative;width:16px;height:16px;flex:0 0 auto}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--brand-700);
  border-radius:2px;transform:translate(-50%,-50%);transition:transform .22s var(--ease),opacity .22s var(--ease);
}
.faq-icon::before{width:14px;height:2px}
.faq-icon::after{width:2px;height:14px}
.faq-item[open] .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.faq-body{padding:0 4px 22px;font-size:15px;color:var(--ink-2);line-height:1.85}
.faq-body p+p{margin-top:12px}
.faq-body a{color:var(--accent-2);text-decoration:underline;text-underline-offset:4px}

/* ---------- 页脚 ---------- */
.site-footer{border-top:1px solid var(--line-2);margin-top:88px;padding:64px 0 28px;position:relative;z-index:1;background:rgba(9,24,20,.6)}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px}
.foot-brand .brand-row{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.foot-brand .brand-row svg{width:22px;height:22px}
.foot-brand .brand-row strong{font-size:15px;font-weight:800}
.foot-brand p{font-size:13.5px;color:var(--ink-2);line-height:1.85;max-width:300px}
.foot-col h4{font-size:14px;font-weight:700;color:var(--ink);margin-bottom:16px;letter-spacing:.02em}
.foot-col ul{display:flex;flex-direction:column;gap:11px}
.foot-col a,.foot-col span{font-size:13.5px;color:var(--ink-2);line-height:1.6}
.foot-col a:hover{color:var(--brand)}
.foot-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid var(--line-2);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--ink-3);
}
.foot-bottom .dot-sep{color:var(--line);margin:0 8px}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .hero-copy h1{font-size:38px}
  h2,.section-head h2{font-size:28px}
  .rec-grid{grid-template-columns:repeat(4,1fr)}
}
@media (max-width:991.98px){
  body{padding-top:88px}
  .hero{padding-top:20px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero::after{display:none}
  .hero-media{max-width:640px;aspect-ratio:16/9}
  .hero-copy h1{font-size:32px}
  .collection-grid{grid-template-columns:repeat(2,1fr)}
  .feature-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .rec-grid{grid-template-columns:repeat(2,1fr)}
  .band-grid{grid-template-columns:repeat(2,1fr)}
  .band-item{border-left:0;border-top:1px solid var(--line-2);padding:26px 20px}
  .band-item:nth-child(1),.band-item:nth-child(2){border-top:0}
  .cta-panel{flex-direction:column;align-items:flex-start;padding:40px 32px;gap:28px}
  .foot-grid{grid-template-columns:repeat(2,1fr);gap:32px}
  .section{padding:64px 0}
  .section-sm{padding:48px 0}
}
@media (max-width:767.98px){
  body{padding-top:82px;font-size:15px}
  .wrap{width:calc(100% - 32px)}
  .dock{height:56px;padding:0 10px 0 16px;gap:8px}
  .dock.is-scrolled{height:52px}
  .dock-brand .brand-text{font-size:14px;max-width:132px;overflow:hidden;text-overflow:ellipsis}
  .dock-brand .brand-sub{display:none}
  .dock-cta{display:none}
  .hamburger{display:inline-flex}
  .dock-nav{
    display:none;position:absolute;top:calc(100% + 10px);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    background:var(--bg-2);border:1px solid var(--line-2);border-radius:var(--r-lg);
    padding:12px;box-shadow:var(--shadow);
  }
  .dock-nav.open{display:flex}
  .dock-nav a{padding:14px 16px;font-size:15px;border-radius:var(--r-md)}
  .dock-nav a.active::before{display:none}
  .dock-nav a.active{background:rgba(184,240,74,.1)}
  .hero-copy h1{font-size:27px;letter-spacing:-.2px}
  .hero-sub{font-size:15px}
  .hero-actions{gap:10px}
  .hero-actions .btn-main,.hero-actions .btn-ghost{flex:1 1 auto;justify-content:center;padding:12px 16px}
  .hero-stats{margin-top:32px;gap:0}
  .hero-stats .stat{padding:0 16px}
  .stat-num{font-size:22px}
  .stat-label{font-size:12px}
  .collection-grid{grid-template-columns:1fr}
  .rec-grid{display:flex;overflow-x:auto;scrollbar-width:none;gap:14px;padding-bottom:4px}
  .rec-grid::-webkit-scrollbar{display:none}
  .rec-card{flex:0 0 74%;aspect-ratio:16/10}
  .band-grid{grid-template-columns:1fr}
  .band-item{padding:22px 20px;border-top:1px solid var(--line-2)}
  .band-item:nth-child(2){border-top:1px solid var(--line-2)}
  .cta-panel{padding:32px 22px;border-radius:var(--r-lg)}
  .cta-panel h2{font-size:22px}
  .cta-actions{width:100%}
  .cta-actions .btn-main,.cta-actions .btn-ghost{flex:1 1 auto;justify-content:center}
  .faq-item{padding:2px 18px}
  .faq-item summary{font-size:15px;padding:16px 0}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .foot-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px}
  .feature-body{padding:20px}
  .feature-body h3{font-size:19px}
  .news-card{padding:20px}
  .section{padding:48px 0}
  .site-footer{margin-top:56px;padding:48px 0 24px}
}
@media (max-width:519.98px){
  .hero-copy h1{font-size:24px}
  h2,.section-head h2{font-size:22px}
  .hero-stats .stat{padding:0 12px}
  .stat-num{font-size:20px}
  .cta-actions{flex-direction:column}
  .cta-actions .btn-main,.cta-actions .btn-ghost{width:100%}
}

/* roulang page: article */
:root{
  --bg-0:#06120F;
  --bg-1:#0C1E19;
  --bg-2:#122A23;
  --brand:#B8F04A;
  --brand-700:#8CCB2E;
  --accent:#FF9A3C;
  --accent-2:#4FD1C5;
  --ink:#F1F6F2;
  --ink-2:#A7B7AE;
  --ink-3:#6F8378;
  --line:rgba(184,240,74,.14);
  --line-2:rgba(241,246,242,.08);
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-xl:28px;
  --r-pill:999px;
  --shadow:inset 0 1px 0 rgba(255,255,255,.04),0 14px 34px -20px rgba(0,0,0,.85);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--ink);
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    radial-gradient(circle at 12% 8%, rgba(79,209,197,.13) 0 1px, transparent 1.6px),
    radial-gradient(circle at 76% 14%, rgba(184,240,74,.14) 0 1px, transparent 1.6px),
    radial-gradient(circle at 38% 62%, rgba(241,246,242,.10) 0 1px, transparent 1.6px),
    radial-gradient(circle at 88% 78%, rgba(79,209,197,.10) 0 1px, transparent 1.6px);
  background-size:340px 340px,420px 420px,520px 520px,380px 380px;
  opacity:.55;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
a:hover{color:var(--brand);}
button{font-family:inherit;}
:focus-visible{outline:2px solid rgba(184,240,74,.55);outline-offset:3px;border-radius:6px;}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;position:relative;z-index:1;}

/* ============ 浮动导航 ============ */
.site-header{
  position:fixed;
  top:18px;
  left:50%;
  transform:translateX(-50%);
  width:min(1200px,calc(100% - 32px));
  z-index:120;
  display:flex;
  align-items:center;
  gap:14px;
  height:64px;
  padding:0 12px 0 20px;
  border-radius:var(--r-pill);
  background:rgba(12,30,25,.86);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  transition:height .2s ease,background .2s ease,border-color .2s ease;
}
.site-header.scrolled{
  height:56px;
  background:rgba(8,22,18,.94);
  border-color:rgba(184,240,74,.28);
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:15px;
  font-weight:700;
  letter-spacing:.005em;
  color:var(--ink);
  white-space:nowrap;
  flex:none;
}
.brand svg{width:22px;height:22px;flex:none;}
.brand:hover{color:var(--brand);}
.dock-nav{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:4px;
}
.dock-nav a{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:38px;
  padding:0 14px;
  border-radius:var(--r-pill);
  font-size:14.5px;
  font-weight:600;
  color:var(--ink-2);
  transition:color .18s ease,background .18s ease;
  white-space:nowrap;
}
.dock-nav a:hover{color:var(--brand);background:rgba(184,240,74,.08);}
.dock-nav a.active{color:var(--brand);}
.dock-nav a.active::before{
  content:"";
  width:6px;height:6px;
  border-radius:50%;
  background:var(--brand);
  margin-right:8px;
  flex:none;
}
.dock-cta{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:40px;
  padding:0 18px;
  border-radius:var(--r-pill);
  background:var(--brand);
  color:#0B1F1A;
  font-weight:700;
  font-size:14px;
  border:0;
  white-space:nowrap;
  transition:background .18s ease,transform .18s ease;
  flex:none;
}
.dock-cta:hover{background:var(--brand-700);color:#0B1F1A;transform:translateY(-1px);}
.dock-toggle{
  display:none;
  width:40px;height:40px;
  align-items:center;
  justify-content:center;
  border-radius:var(--r-pill);
  border:1px solid var(--line-2);
  background:transparent;
  color:var(--ink);
  margin-left:auto;
  cursor:pointer;
  transition:border-color .18s ease,color .18s ease;
}
.dock-toggle:hover{border-color:rgba(184,240,74,.4);color:var(--brand);}
.dock-toggle svg{width:18px;height:18px;}

/* ============ 页面主体 ============ */
.page-main{padding-top:126px;padding-bottom:20px;position:relative;z-index:1;}

.crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--ink-3);
  margin-bottom:26px;
}
.crumbs a{color:var(--ink-3);transition:color .16s ease;}
.crumbs a:hover{color:var(--brand);}
.crumbs .sep{color:rgba(241,246,242,.18);}
.crumbs .current{color:var(--ink-2);}

.article-head{max-width:820px;margin:0 auto;}
.badge-cat{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  border-radius:var(--r-pill);
  font-size:12px;
  font-weight:700;
  letter-spacing:.02em;
  color:var(--accent);
  background:rgba(255,154,60,.12);
  border:1px solid rgba(255,154,60,.22);
}
.article-title{
  margin:16px 0 0;
  font-size:clamp(26px,3.2vw,34px);
  line-height:1.32;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--ink);
}
.meta-row{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:16px;
  margin-top:20px;
  padding-top:18px;
  border-top:1px solid var(--line-2);
  font-size:13.5px;
  color:var(--ink-3);
}
.meta-row .num{font-variant-numeric:tabular-nums;color:var(--ink-2);}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:rgba(241,246,242,.2);}
.act-group{margin-left:auto;display:flex;align-items:center;gap:8px;}
.icon-btn{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:34px;
  padding:0 12px;
  border-radius:var(--r-pill);
  border:1px solid var(--line-2);
  background:transparent;
  color:var(--ink-2);
  font-size:13px;
  font-weight:600;
  cursor:pointer;
  transition:border-color .18s ease,color .18s ease,background .18s ease;
}
.icon-btn:hover{border-color:rgba(184,240,74,.4);color:var(--brand);background:rgba(184,240,74,.06);}
.icon-btn svg{width:15px;height:15px;flex:none;}
.icon-btn.on{color:var(--accent);border-color:rgba(255,154,60,.4);background:rgba(255,154,60,.08);}
.icon-btn.on svg{fill:currentColor;}

/* 阅读区 */
.article-layout{max-width:1040px;margin:0 auto;}
.article-shell{max-width:760px;margin:34px auto 0;}
.article-body{
  font-size:16px;
  line-height:1.85;
  color:var(--ink-2);
  overflow-wrap:break-word;
  word-break:break-word;
}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 20px;}
.article-body h2{
  position:relative;
  margin:40px 0 16px;
  padding-left:14px;
  font-size:22px;
  line-height:1.4;
  font-weight:700;
  color:var(--ink);
}
.article-body h2::before{
  content:"";
  position:absolute;
  left:0;
  top:50%;
  transform:translateY(-50%);
  width:3px;
  height:18px;
  border-radius:2px;
  background:var(--brand);
}
.article-body h3{margin:28px 0 12px;font-size:18px;line-height:1.5;font-weight:600;color:var(--ink);}
.article-body h4{margin:22px 0 10px;font-size:16px;font-weight:600;color:var(--ink);}
.article-body ul{list-style:none;margin:0 0 20px;padding-left:0;}
.article-body ul li{position:relative;padding-left:18px;margin-bottom:8px;line-height:1.9;}
.article-body ul li::before{
  content:"";
  position:absolute;
  left:2px;
  top:.72em;
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--brand);
  opacity:.8;
}
.article-body ol{margin:0 0 20px;padding-left:20px;}
.article-body ol li{margin-bottom:8px;line-height:1.9;}
.article-body ol li::marker{color:var(--brand);font-weight:700;}
.article-body blockquote{
  margin:24px 0;
  padding:16px 20px;
  background:var(--bg-2);
  border-left:3px solid var(--accent);
  border-radius:0 var(--r-md) var(--r-md) 0;
  color:var(--ink-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body a{color:var(--accent-2);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--brand);}
.article-body img{border-radius:var(--r-md);margin:0 auto;}
.article-body figure{margin:24px 0;}
.article-body figcaption{font-size:13px;color:var(--ink-3);text-align:center;margin-top:10px;}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:14.5px;}
.article-body th,.article-body td{border-bottom:1px solid var(--line-2);padding:11px 12px;text-align:left;}
.article-body th{background:var(--bg-2);color:var(--ink);font-weight:600;}
.article-body hr{border:0;border-top:1px solid var(--line-2);margin:32px 0;}
.article-body code{
  background:var(--bg-2);
  color:var(--accent-2);
  padding:2px 6px;
  border-radius:var(--r-sm);
  font-size:14px;
}

/* 侧边目录 */
.toc{display:none;}
.toc-inner{
  position:sticky;
  top:104px;
  border:1px solid var(--line-2);
  background:var(--bg-1);
  border-radius:var(--r-lg);
  padding:18px;
  box-shadow:var(--shadow);
}
.toc-inner h3{
  margin:0 0 12px;
  font-size:13px;
  font-weight:700;
  letter-spacing:.06em;
  color:var(--ink-3);
}
.toc-list{display:flex;flex-direction:column;gap:2px;}
.toc-list a{
  display:block;
  padding:7px 10px;
  border-radius:var(--r-sm);
  font-size:13.5px;
  line-height:1.5;
  color:var(--ink-2);
  border-left:2px solid transparent;
  transition:color .16s ease,background .16s ease,border-color .16s ease;
}
.toc-list a:hover{color:var(--brand);background:rgba(184,240,74,.06);}
.toc-list a.current{color:var(--brand);border-left-color:var(--brand);background:rgba(184,240,74,.06);}

/* 空态 */
.empty-state{
  margin:8px 0 0;
  padding:52px 24px;
  text-align:center;
  border:1px dashed var(--line);
  border-radius:var(--r-lg);
  background:var(--bg-2);
}
.empty-state svg{width:40px;height:40px;margin:0 auto 14px;display:block;}
.empty-state p{margin:0 0 18px;color:var(--ink-2);font-size:15px;}

/* 标签行 */
.tag-row{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  margin-top:38px;
  padding-top:22px;
  border-top:1px solid var(--line-2);
}
.tag-row .tag-label{font-size:13px;color:var(--ink-3);margin-right:2px;}
.tag{
  display:inline-flex;
  align-items:center;
  padding:4px 12px;
  border-radius:var(--r-pill);
  font-size:12.5px;
  font-weight:600;
  color:var(--ink-2);
  background:var(--bg-2);
  border:1px solid var(--line-2);
  transition:color .16s ease,border-color .16s ease;
}
.tag:hover{color:var(--brand);border-color:rgba(184,240,74,.4);}

/* 收藏条 */
.cta-bar{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:18px;
  margin-top:30px;
  padding:20px 22px;
  border:1px solid var(--line-2);
  border-radius:var(--r-lg);
  background:rgba(18,42,35,.5);
}
.cta-bar .cta-text{flex:1 1 260px;min-width:0;}
.cta-bar strong{display:block;font-size:15.5px;color:var(--ink);margin-bottom:4px;}
.cta-bar span{font-size:13.5px;color:var(--ink-3);}
.cta-actions{display:flex;gap:10px;flex-wrap:wrap;}
.btn-main{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 22px;
  border-radius:var(--r-pill);
  background:var(--brand);
  color:#0B1F1A;
  font-size:14.5px;
  font-weight:700;
  border:0;
  cursor:pointer;
  transition:background .18s ease,transform .18s ease;
}
.btn-main:hover{background:var(--brand-700);color:#0B1F1A;transform:translateY(-1px);}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 22px;
  border-radius:var(--r-pill);
  background:transparent;
  color:var(--ink);
  font-size:14.5px;
  font-weight:600;
  border:1px solid var(--line-2);
  cursor:pointer;
  transition:border-color .18s ease,color .18s ease,transform .18s ease;
}
.btn-ghost:hover{border-color:rgba(184,240,74,.4);color:var(--brand);transform:translateY(-1px);}

/* 相关推荐 */
.related{margin-top:72px;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:16px;
  margin-bottom:24px;
}
.section-head h2{
  margin:0;
  font-size:22px;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--ink);
}
.section-head h2::before{
  content:"";
  display:inline-block;
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--brand);
  margin-right:10px;
  vertical-align:middle;
  transform:translateY(-2px);
}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--ink-2);
  transition:color .18s ease;
}
.text-link:hover{color:var(--brand);}
.text-link svg{width:14px;height:14px;transition:transform .18s ease;}
.text-link:hover svg{transform:translateX(3px);}
.related-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:22px;
}
.rel-card{
  display:block;
  border:1px solid var(--line-2);
  background:var(--bg-1);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--shadow);
  transition:transform .18s ease,border-color .18s ease;
}
.rel-card:hover{transform:translateY(-2px);border-color:rgba(184,240,74,.35);color:inherit;}
.rel-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--bg-2);}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.rel-card:hover .rel-thumb img{transform:scale(1.04);}
.rel-body{padding:16px 18px 18px;}
.rel-body h3{
  margin:0 0 8px;
  font-size:15.5px;
  line-height:1.5;
  font-weight:700;
  color:var(--ink);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.rel-body p{
  margin:0 0 12px;
  font-size:13.5px;
  line-height:1.7;
  color:var(--ink-3);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.rel-meta{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--ink-3);}
.rel-meta .chip{
  padding:2px 9px;
  border-radius:var(--r-pill);
  color:var(--accent);
  background:rgba(255,154,60,.12);
  font-weight:600;
}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:88px;
  padding-top:56px;
  border-top:1px solid var(--line-2);
  background:linear-gradient(180deg,rgba(18,42,35,.42),rgba(6,18,15,0));
  position:relative;
  z-index:1;
}
.foot-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.1fr;
  gap:40px;
  padding-bottom:44px;
}
.brand-row{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.brand-row svg{width:22px;height:22px;flex:none;}
.brand-row strong{font-size:15px;font-weight:700;color:var(--ink);letter-spacing:.005em;}
.foot-brand p{margin:0;font-size:13.5px;line-height:1.85;color:var(--ink-3);max-width:320px;}
.foot-col h4{
  margin:0 0 16px;
  font-size:13px;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--ink-2);
}
.foot-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;}
.foot-col li{font-size:13.5px;color:var(--ink-3);line-height:1.6;}
.foot-col a{color:var(--ink-3);transition:color .16s ease;}
.foot-col a:hover{color:var(--brand);}
.foot-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:18px 0 26px;
  border-top:1px solid var(--line-2);
  font-size:12.5px;
  color:var(--ink-3);
}

/* ============ 响应式 ============ */
@media (min-width:1200px){
  .article-layout{
    display:grid;
    grid-template-columns:minmax(0,760px) 220px;
    gap:48px;
    align-items:start;
    justify-content:center;
  }
  .article-shell{margin-top:34px;}
  .toc{display:block;}
}
@media (max-width:991px){
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:767px){
  .site-header{height:56px;padding:0 8px 0 14px;gap:8px;top:12px;}
  .site-header.scrolled{height:56px;}
  .brand{font-size:13.5px;gap:8px;}
  .brand svg{width:19px;height:19px;}
  .dock-toggle{display:inline-flex;}
  .dock-cta{display:none;}
  .dock-nav{
    position:absolute;
    top:calc(100% + 10px);
    left:0;
    right:0;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:2px;
    padding:10px;
    border-radius:var(--r-lg);
    background:var(--bg-2);
    border:1px solid var(--line);
    box-shadow:var(--shadow);
  }
  .site-header.nav-open .dock-nav{display:flex;}
  .dock-nav a{height:48px;border-radius:var(--r-md);font-size:15px;padding:0 14px;}
  .page-main{padding-top:104px;}
  .meta-row{gap:10px;}
  .act-group{margin-left:0;width:100%;}
  .article-shell{margin-top:26px;}
  .article-body h2{font-size:20px;margin-top:32px;}
  .article-body h3{font-size:17px;}
  .cta-bar{padding:18px;}
  .related{margin-top:56px;}
  .related-grid{grid-template-columns:minmax(0,1fr);}
  .site-footer{margin-top:64px;padding-top:44px;}
}
@media (max-width:575px){
  .wrap{padding:0 16px;}
  .foot-grid{grid-template-columns:1fr;gap:28px;}
  .foot-bottom{justify-content:flex-start;}
  .brand{font-size:12.5px;}
  .article-title{font-size:25px;}
  .article-body{font-size:15.5px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px;}
  .cta-actions{width:100%;}
  .cta-actions .btn-main,.cta-actions .btn-ghost{flex:1 1 100%;}
}

/* roulang page: category1 */
:root{
  --bg-0:#06120F;
  --bg-1:#0C1E19;
  --bg-2:#122A23;
  --brand:#B8F04A;
  --brand-700:#8CCB2E;
  --accent:#FF9A3C;
  --accent-2:#4FD1C5;
  --ink:#F1F6F2;
  --ink-2:#A7B7AE;
  --ink-3:#6F8378;
  --line:rgba(184,240,74,.14);
  --line-2:rgba(241,246,242,.08);
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-xl:28px;
  --r-pill:999px;
  --shadow-soft:0 14px 34px -20px rgba(0,0,0,.85);
  --ease:cubic-bezier(.4,0,.2,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--ink);
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease),border-color .18s var(--ease),background-color .18s var(--ease);}
button{font-family:inherit;}
p{margin:0 0 16px;}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.32;font-weight:700;}
ul,ol{margin:0;padding:0;}
.num{font-variant-numeric:tabular-nums;}
::selection{background:rgba(184,240,74,.28);color:#fff;}
a:focus-visible,button:focus-visible,summary:focus-visible{
  outline:2px solid rgba(184,240,74,.55);
  outline-offset:3px;
  border-radius:8px;
}

.wrap{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}

/* ================= 浮动 Dock 导航 ================= */
.site-dock{
  position:fixed;
  top:18px;
  left:0;
  right:0;
  z-index:1040;
  display:flex;
  justify-content:center;
  padding:0 16px;
  pointer-events:none;
}
.dock-inner{
  pointer-events:auto;
  position:relative;
  width:min(1200px,100%);
  height:64px;
  display:flex;
  align-items:center;
  gap:20px;
  padding:0 10px 0 20px;
  border-radius:var(--r-pill);
  background:rgba(12,30,25,.86);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid var(--line);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.05),0 18px 40px -28px rgba(0,0,0,.9);
  transition:height .25s var(--ease),background-color .25s var(--ease),border-color .25s var(--ease);
}
.site-dock.is-scrolled .dock-inner{
  height:56px;
  background:rgba(9,24,20,.94);
  border-color:rgba(184,240,74,.22);
}
.dock-brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex:none;
  font-size:16px;
  font-weight:700;
  letter-spacing:.2px;
  color:var(--ink);
  white-space:nowrap;
}
.dock-brand svg{width:22px;height:22px;flex:none;}
.dock-brand:hover{color:var(--brand);}
.dock-nav{
  display:flex;
  align-items:center;
  gap:28px;
  margin:0 auto;
}
.dock-nav a{
  position:relative;
  font-size:14.5px;
  color:var(--ink-2);
  padding:6px 0;
  white-space:nowrap;
}
.dock-nav a::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:-2px;
  height:2px;
  background:var(--brand);
  border-radius:2px;
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .2s var(--ease);
}
.dock-nav a:hover{color:var(--brand);}
.dock-nav a:hover::after{transform:scaleX(1);}
.dock-nav a.active{
  color:var(--brand);
  font-weight:600;
  padding-left:14px;
}
.dock-nav a.active::before{
  content:"";
  position:absolute;
  left:0;
  top:50%;
  transform:translateY(-50%);
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--brand);
}
.dock-nav a.active::after{transform:scaleX(1);}
.dock-actions{
  display:flex;
  align-items:center;
  gap:10px;
  flex:none;
}
.icon-btn{
  width:38px;
  height:38px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:50%;
  border:1px solid var(--line-2);
  background:transparent;
  color:var(--ink-2);
  cursor:pointer;
  transition:.2s var(--ease);
}
.icon-btn svg{width:17px;height:17px;}
.icon-btn:hover{border-color:rgba(184,240,74,.4);color:var(--brand);}
.icon-btn:active{transform:scale(.95);}
.dock-toggle{display:none;}

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:var(--r-pill);
  font-weight:700;
  font-size:14.5px;
  padding:12px 22px;
  border:1px solid transparent;
  cursor:pointer;
  transition:.18s var(--ease);
  line-height:1.2;
  text-align:center;
}
.btn-sm{padding:9px 18px;font-size:13.5px;}
.btn-primary{background:var(--brand);color:#0B1F1A;border-color:var(--brand);}
.btn-primary:hover{background:var(--brand-700);border-color:var(--brand-700);transform:translateY(-1px);color:#0B1F1A;}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line-2);}
.btn-ghost:hover{border-color:rgba(184,240,74,.42);color:var(--brand);}
.btn-ghost:active{transform:translateY(1px);}
.btn-block{width:100%;}
.btn .arrow{transition:transform .2s var(--ease);}
.btn:hover .arrow{transform:translateX(3px);}

.nav-mask{
  position:fixed;
  inset:0;
  background:rgba(3,10,8,.62);
  opacity:0;
  visibility:hidden;
  transition:.2s var(--ease);
  z-index:1035;
}
.nav-mask.show{opacity:1;visibility:visible;}

/* ================= 页头 ================= */
.page-head{
  position:relative;
  overflow:hidden;
  padding:126px 0 56px;
  border-bottom:1px solid var(--line-2);
  background:
    radial-gradient(circle at 86% 8%,rgba(79,209,197,.14),transparent 46%),
    linear-gradient(180deg,rgba(6,18,15,.80),rgba(6,18,15,.96)),
    url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
}
.page-head .orbit{
  position:absolute;
  right:-90px;
  top:-70px;
  width:340px;
  height:340px;
  border:1px solid rgba(79,209,197,.22);
  border-radius:50%;
  pointer-events:none;
}
.page-head .orbit::after{
  content:"";
  position:absolute;
  inset:52px;
  border:1px dashed rgba(184,240,74,.14);
  border-radius:50%;
}
.stardust{
  position:absolute;
  inset:0;
  pointer-events:none;
  opacity:.55;
  background-image:
    radial-gradient(1.6px 1.6px at 14% 34%,rgba(241,246,242,.55),transparent 100%),
    radial-gradient(1.6px 1.6px at 42% 18%,rgba(241,246,242,.4),transparent 100%),
    radial-gradient(2px 2px at 68% 62%,rgba(184,240,74,.5),transparent 100%),
    radial-gradient(1.4px 1.4px at 28% 76%,rgba(241,246,242,.35),transparent 100%),
    radial-gradient(1.6px 1.6px at 88% 44%,rgba(79,209,197,.5),transparent 100%);
  background-repeat:no-repeat;
}
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--ink-3);
  margin-bottom:22px;
  position:relative;
}
.crumb a{color:var(--ink-3);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:rgba(241,246,242,.22);}
.crumb .now{color:var(--ink-2);}
.page-head h1{
  position:relative;
  font-size:clamp(26px,3.6vw,40px);
  font-weight:800;
  letter-spacing:.4px;
  max-width:860px;
  line-height:1.3;
}
.head-lead{
  position:relative;
  max-width:760px;
  margin:20px 0 0;
  color:var(--ink-2);
  font-size:16px;
  line-height:1.85;
}
.head-badges{
  position:relative;
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:22px;
}
.badge-soft{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 12px;
  border-radius:var(--r-pill);
  background:rgba(255,154,60,.12);
  color:var(--accent);
  font-size:12.5px;
  font-weight:600;
}
.badge-quiet{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 12px;
  border-radius:var(--r-pill);
  background:var(--bg-2);
  color:var(--ink-2);
  font-size:12.5px;
  font-weight:600;
  border:1px solid var(--line-2);
}
.anchor-row{
  position:relative;
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:28px;
}
.anchor-row a{
  padding:8px 16px;
  border-radius:var(--r-pill);
  border:1px solid var(--line-2);
  color:var(--ink-2);
  font-size:13.5px;
  background:rgba(18,42,35,.5);
}
.anchor-row a:hover{
  border-color:rgba(184,240,74,.45);
  color:var(--brand);
}

/* ================= 主体布局 ================= */
.main-area{padding:64px 0 0;}
.layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 322px;
  gap:44px;
  align-items:start;
}
.section-block{
  margin-bottom:52px;
  scroll-margin-top:110px;
}
.section-block:last-child{margin-bottom:0;}
.block-title{
  display:flex;
  align-items:center;
  gap:12px;
  font-size:23px;
  font-weight:700;
  margin-bottom:18px;
}
.block-title::before{
  content:"";
  width:3px;
  height:20px;
  border-radius:2px;
  background:var(--brand);
  flex:none;
}
.prose p{
  color:var(--ink-2);
  line-height:1.85;
  margin-bottom:16px;
}
.prose p:last-child{margin-bottom:0;}
.prose strong{color:var(--ink);font-weight:600;}

.point-list{
  list-style:none;
  display:grid;
  gap:12px;
  margin:20px 0 6px;
}
.point-list li{
  position:relative;
  padding-left:26px;
  color:var(--ink-2);
  line-height:1.8;
  font-size:15.5px;
}
.point-list li::before{
  content:"✦";
  position:absolute;
  left:0;
  top:0;
  color:var(--brand);
  font-size:13px;
  line-height:1.9;
}

.step-list{
  list-style:none;
  counter-reset:step;
  display:grid;
  gap:14px;
  margin:22px 0 6px;
}
.step-list li{
  counter-increment:step;
  position:relative;
  padding:18px 22px 18px 66px;
  background:var(--bg-1);
  border:1px solid var(--line-2);
  border-radius:var(--r-md);
  color:var(--ink-2);
  line-height:1.8;
  font-size:15.5px;
  transition:.18s var(--ease);
}
.step-list li:hover{
  border-color:rgba(184,240,74,.32);
  transform:translateY(-2px);
  box-shadow:var(--shadow-soft);
}
.step-list li::before{
  content:counter(step,decimal-leading-zero);
  position:absolute;
  left:22px;
  top:18px;
  font-size:17px;
  font-weight:700;
  color:var(--brand);
  font-variant-numeric:tabular-nums;
  letter-spacing:.5px;
}
.step-list li strong{
  display:block;
  color:var(--ink);
  font-weight:600;
  margin-bottom:4px;
  font-size:16px;
}

.table-wrap{
  margin:22px 0 6px;
  border:1px solid var(--line-2);
  border-radius:var(--r-md);
  background:var(--bg-1);
  overflow-x:auto;
}
.table-wrap table{
  width:100%;
  border-collapse:collapse;
  font-size:14.5px;
  min-width:520px;
}
.table-wrap th{
  background:var(--bg-2);
  color:var(--ink);
  font-weight:600;
  text-align:left;
  padding:14px 18px;
  border-bottom:1px solid var(--line-2);
  white-space:nowrap;
}
.table-wrap td{
  padding:14px 18px;
  color:var(--ink-2);
  border-bottom:1px solid var(--line-2);
  vertical-align:top;
  line-height:1.7;
}
.table-wrap tr:last-child td{border-bottom:0;}
.table-wrap td:first-child{color:var(--ink);font-weight:600;}

.figure{
  margin:26px 0 6px;
  border-radius:var(--r-md);
  overflow:hidden;
  border:1px solid var(--line-2);
  background:var(--bg-1);
}
.figure img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
}
.figure figcaption{
  font-size:13px;
  color:var(--ink-3);
  padding:12px 18px;
  border-top:1px solid var(--line-2);
}

/* ================= 侧栏 ================= */
.side{
  display:grid;
  gap:20px;
  align-self:start;
  position:sticky;
  top:110px;
}
.side-card{
  background:var(--bg-1);
  border:1px solid var(--line-2);
  border-radius:var(--r-lg);
  padding:22px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.03);
}
.side-card h3{
  font-size:16px;
  font-weight:700;
  margin-bottom:14px;
  display:flex;
  align-items:center;
  gap:8px;
}
.side-card h3::before{
  content:"";
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--accent-2);
  flex:none;
}
.side-card p{
  font-size:13.5px;
  color:var(--ink-3);
  line-height:1.75;
  margin-bottom:14px;
}
.quick-list{
  list-style:none;
  display:grid;
  gap:4px;
}
.quick-list a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:11px 12px;
  border-radius:var(--r-sm);
  font-size:14px;
  color:var(--ink-2);
  border:1px solid transparent;
}
.quick-list a span:last-child{color:var(--ink-3);transition:transform .2s var(--ease);}
.quick-list a:hover{
  background:var(--bg-2);
  border-color:var(--line-2);
  color:var(--brand);
}
.quick-list a:hover span:last-child{transform:translateX(3px);color:var(--brand);}

.mini-list{display:grid;}
.mini{
  display:flex;
  align-items:center;
  gap:12px;
  padding:11px 0;
  border-bottom:1px solid var(--line-2);
}
.mini:last-child{border-bottom:0;padding-bottom:0;}
.mini:first-child{padding-top:0;}
.mini img{
  width:56px;
  height:56px;
  border-radius:var(--r-sm);
  object-fit:cover;
  flex:none;
  background:var(--bg-2);
}
.mini span{
  font-size:14px;
  color:var(--ink-2);
  line-height:1.55;
}
.mini small{
  display:block;
  font-size:12px;
  color:var(--ink-3);
  margin-top:4px;
}
.mini:hover span{color:var(--brand);}

.save-card{
  background:linear-gradient(180deg,rgba(18,42,35,.9),rgba(12,30,25,.9));
  border-color:var(--line);
}
.save-row{
  display:flex;
  align-items:center;
  gap:10px;
  margin-top:14px;
}
.save-count{
  font-size:13px;
  color:var(--ink-3);
  font-variant-numeric:tabular-nums;
}
.js-save.is-saved{
  background:var(--brand-700);
  border-color:var(--brand-700);
}

/* ================= FAQ ================= */
.faq-list{
  display:grid;
  gap:14px;
  margin-top:22px;
}
.faq-item{
  background:var(--bg-1);
  border:1px solid var(--line-2);
  border-radius:var(--r-lg);
  overflow:hidden;
  transition:border-color .18s var(--ease);
}
.faq-item:hover{border-color:rgba(184,240,74,.28);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  position:relative;
  padding:18px 60px 18px 22px;
  font-size:16px;
  font-weight:600;
  color:var(--ink);
  line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";
  position:absolute;
  right:22px;
  top:50%;
  transform:translateY(-50%);
  width:24px;
  height:24px;
  line-height:21px;
  text-align:center;
  border-radius:50%;
  border:1px solid var(--line-2);
  color:var(--brand);
  font-size:15px;
  font-weight:400;
  transition:.2s var(--ease);
}
.faq-item[open] summary::after{content:"−";background:rgba(184,240,74,.1);}
.faq-body{
  padding:0 26px 20px 22px;
  color:var(--ink-2);
  font-size:15px;
  line-height:1.85;
}
.faq-body p{margin-bottom:10px;}
.faq-body p:last-child{margin-bottom:0;}

/* ================= CTA 条 ================= */
.cta-bar{
  position:relative;
  overflow:hidden;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  padding:30px 34px;
  margin-top:52px;
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.04);
}
.cta-bar::after{
  content:"";
  position:absolute;
  right:-120px;
  bottom:-160px;
  width:320px;
  height:320px;
  border:1px solid rgba(79,209,197,.18);
  border-radius:50%;
  pointer-events:none;
}
.cta-bar h3{
  font-size:19px;
  margin-bottom:8px;
  font-weight:700;
}
.cta-bar p{
  margin:0;
  color:var(--ink-2);
  font-size:14.5px;
  line-height:1.8;
  max-width:560px;
}
.cta-actions{
  display:flex;
  gap:12px;
  flex:none;
  position:relative;
  z-index:1;
}
.cta-actions .count{
  font-size:12.5px;
  opacity:.85;
}

/* ================= 页脚 ================= */
.site-footer{
  margin-top:76px;
  padding:56px 0 26px;
  border-top:1px solid var(--line-2);
  background:var(--bg-0);
  position:relative;
}
.site-footer::before{
  content:"";
  position:absolute;
  top:0;
  left:50%;
  transform:translateX(-50%);
  width:min(1200px,calc(100% - 48px));
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(184,240,74,.28),transparent);
}
.foot-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:40px;
}
.foot-brand .brand-row{
  display:flex;
  align-items:center;
  gap:10px;
}
.foot-brand .brand-row svg{width:22px;height:22px;flex:none;}
.foot-brand strong{
  font-size:16px;
  color:var(--ink);
  font-weight:700;
}
.foot-brand p{
  margin-top:12px;
  font-size:14px;
  color:var(--ink-2);
  line-height:1.8;
  max-width:330px;
}
.foot-col h4{
  font-size:14px;
  font-weight:600;
  color:var(--ink);
  margin-bottom:16px;
}
.foot-col ul{
  list-style:none;
  display:grid;
  gap:11px;
}
.foot-col a,.foot-col span{
  font-size:14px;
  color:var(--ink-2);
  line-height:1.7;
}
.foot-col a:hover{color:var(--brand);}
.foot-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:14px;
  margin-top:42px;
  padding-top:20px;
  border-top:1px solid var(--line-2);
  font-size:13px;
  color:var(--ink-3);
}
.foot-bottom span{line-height:1.7;}

/* ================= 响应式 ================= */
@media (max-width:1199px){
  .layout{grid-template-columns:minmax(0,1fr) 300px;gap:36px;}
}
@media (max-width:991px){
  .layout{grid-template-columns:1fr;gap:40px;}
  .side{position:static;grid-template-columns:1fr 1fr;gap:18px;}
  .side-card:first-child{grid-column:1/-1;}
  .page-head{padding:112px 0 48px;}
  .cta-bar{flex-direction:column;align-items:flex-start;padding:28px;}
  .cta-actions{width:100%;flex-wrap:wrap;}
  .cta-actions .btn{flex:1 1 auto;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .foot-brand{grid-column:1/-1;}
}
@media (max-width:860px){
  .dock-nav{
    position:absolute;
    top:calc(100% + 10px);
    left:0;
    right:0;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:2px;
    margin:0;
    padding:8px;
    background:var(--bg-2);
    border:1px solid var(--line);
    border-radius:var(--r-lg);
    box-shadow:0 24px 50px -24px rgba(0,0,0,.9);
  }
  .dock-nav.open{display:flex;}
  .dock-nav a{
    padding:13px 16px;
    border-radius:var(--r-sm);
    font-size:15px;
  }
  .dock-nav a::after{display:none;}
  .dock-nav a.active{
    padding-left:16px;
    background:rgba(184,240,74,.1);
  }
  .dock-nav a.active::before{display:none;}
  .dock-toggle{
    display:inline-flex;
    flex-direction:column;
    gap:4px;
    width:38px;
    height:38px;
    border-radius:50%;
    border:1px solid var(--line-2);
    background:transparent;
    align-items:center;
    justify-content:center;
    cursor:pointer;
  }
  .dock-toggle span{
    display:block;
    width:15px;
    height:2px;
    border-radius:2px;
    background:var(--ink-2);
    transition:.2s var(--ease);
  }
  .dock-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg);background:var(--brand);}
  .dock-toggle.is-open span:nth-child(2){opacity:0;}
  .dock-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);background:var(--brand);}
  .dock-actions .btn-primary{display:none;}
  .dock-inner{gap:12px;padding:0 10px 0 16px;}
  .dock-brand{font-size:15px;}
}
@media (max-width:767px){
  body{font-size:15.5px;}
  .wrap{padding:0 16px;}
  .main-area{padding:48px 0 0;}
  .page-head{padding:104px 0 42px;}
  .head-lead{font-size:15px;}
  .block-title{font-size:21px;}
  .step-list li{padding:16px 18px 16px 58px;}
  .step-list li::before{left:18px;top:16px;}
  .side{grid-template-columns:1fr;}
  .side-card:first-child{grid-column:auto;}
  .cta-bar{padding:24px;border-radius:var(--r-lg);}
  .cta-actions .btn{flex:1 1 100%;}
  .foot-grid{grid-template-columns:1fr;gap:28px;}
  .foot-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:520px){
  .dock-brand{font-size:13.5px;gap:8px;}
  .dock-brand svg{width:18px;height:18px;}
  .page-head h1{font-size:24px;}
  .anchor-row a{font-size:12.5px;padding:7px 13px;}
  .faq-item summary{font-size:15px;padding:16px 52px 16px 18px;}
  .faq-body{padding:0 18px 18px 18px;}
  .cta-bar h3{font-size:17px;}
}

/* roulang page: category2 */
:root{
  --bg-0:#06120F;
  --bg-1:#0C1E19;
  --bg-2:#122A23;
  --brand:#B8F04A;
  --brand-700:#8CCB2E;
  --accent:#FF9A3C;
  --accent-2:#4FD1C5;
  --ink:#F1F6F2;
  --ink-2:#A7B7AE;
  --ink-3:#6F8378;
  --line:rgba(184,240,74,.14);
  --line-2:rgba(241,246,242,.08);
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-xl:28px;
  --r-pill:999px;
  --shadow-soft:0 14px 34px -20px rgba(0,0,0,.85);
  --font:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--ink-2);
  background-color:var(--bg-0);
  background-image:
    radial-gradient(circle at 10% 4%,rgba(184,240,74,.07),transparent 40%),
    radial-gradient(circle at 92% 0%,rgba(79,209,197,.06),transparent 36%);
  background-repeat:no-repeat;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{color:var(--ink);margin:0;line-height:1.3;font-weight:700;letter-spacing:.2px;}
p{margin:0 0 16px;}
p:last-child{margin-bottom:0;}
a{color:inherit;text-decoration:none;transition:color .18s ease,border-color .18s ease,opacity .18s ease;}
img{max-width:100%;display:block;border-style:none;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
:focus-visible{outline:2px solid rgba(184,240,74,.55);outline-offset:2px;border-radius:4px;}
::selection{background:rgba(184,240,74,.3);color:var(--ink);}

.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ============ Dock 导航 ============ */
.dock{
  position:fixed;top:18px;left:50%;transform:translateX(-50%);
  width:min(1200px,calc(100% - 32px));z-index:1030;
}
.dock-inner{
  display:flex;align-items:center;gap:18px;
  height:64px;padding:0 12px 0 18px;
  border-radius:var(--r-pill);
  background:rgba(12,30,25,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line);
  box-shadow:var(--shadow-soft);
  transition:height .22s ease,background-color .22s ease,border-color .22s ease;
}
.dock.is-scrolled .dock-inner{height:56px;background:rgba(9,24,20,.94);border-color:rgba(184,240,74,.28);}
.dock-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.dock-logo svg{width:22px;height:22px;flex:0 0 22px;}
.dock-logo strong{font-size:15px;font-weight:700;color:var(--ink);white-space:nowrap;letter-spacing:.3px;}
.dock-logo .logo-short{display:none;}
.dock-nav{
  display:flex;align-items:center;gap:6px;flex:1 1 auto;justify-content:center;
}
.dock-nav a{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  padding:8px 14px;border-radius:var(--r-pill);
  font-size:14px;font-weight:600;color:var(--ink-2);white-space:nowrap;
  transition:color .18s ease,background-color .18s ease;
}
.dock-nav a::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);
  opacity:0;transform:scale(.4);transition:opacity .18s ease,transform .18s ease;
}
.dock-nav a:hover{color:var(--brand);background:rgba(184,240,74,.07);}
.dock-nav a:hover::before{opacity:.6;transform:scale(1);}
.dock-nav a.active{color:var(--brand);background:rgba(184,240,74,.1);}
.dock-nav a.active::before{opacity:1;transform:scale(1);}
.dock-tools{display:flex;align-items:center;gap:8px;flex:0 0 auto;}
.icon-btn{
  width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:50%;border:1px solid var(--line-2);background:transparent;color:var(--ink-2);
  transition:color .18s ease,border-color .18s ease,background-color .18s ease;
}
.icon-btn:hover{color:var(--brand);border-color:rgba(184,240,74,.4);background:rgba(184,240,74,.06);}
.icon-btn svg{width:17px;height:17px;}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:var(--r-pill);border:1px solid transparent;
  background:var(--brand);color:#0B1F1A;font-size:14px;font-weight:700;
  transition:background-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-brand:hover{background:var(--brand-700);transform:translateY(-1px);color:#0B1F1A;}
.btn-brand:active{transform:translateY(0);background:#7DBA25;}
.btn-brand:focus-visible{outline:2px solid rgba(184,240,74,.45);outline-offset:3px;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:var(--r-pill);border:1px solid var(--line-2);
  background:transparent;color:var(--ink);font-size:14px;font-weight:600;
  transition:border-color .18s ease,color .18s ease,background-color .18s ease,transform .18s ease;
}
.btn-ghost:hover{border-color:rgba(184,240,74,.4);color:var(--brand);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.dock-cta{white-space:nowrap;}
.dock-burger{display:none;}
.dock-search{
  display:none;align-items:center;gap:8px;
  position:absolute;right:12px;top:calc(100% + 10px);
  width:min(320px,calc(100vw - 48px));padding:10px 14px;
  border-radius:var(--r-pill);background:var(--bg-2);border:1px solid var(--line);
  box-shadow:var(--shadow-soft);
}
.dock-search.is-open{display:flex;}
.dock-search input{
  flex:1;background:transparent;border:none;outline:none;color:var(--ink);font-size:14px;
}
.dock-search input::placeholder{color:var(--ink-3);}
.dock-search button{
  border:none;background:transparent;color:var(--brand);font-size:13px;font-weight:700;
}

.dock-drawer{
  display:none;margin-top:10px;padding:14px;
  border-radius:var(--r-lg);background:var(--bg-2);border:1px solid var(--line);
  box-shadow:var(--shadow-soft);
}
.dock-drawer.is-open{display:block;}
.dock-drawer a{
  display:flex;align-items:center;min-height:48px;padding:0 12px;
  border-radius:var(--r-md);font-size:15px;font-weight:600;color:var(--ink-2);
  border-bottom:1px solid var(--line-2);
}
.dock-drawer a:last-of-type{border-bottom:none;}
.dock-drawer a.active{color:var(--brand);}
.dock-drawer .drawer-cta{margin-top:12px;display:flex;}
.dock-drawer .drawer-cta .btn-brand{width:100%;}
.dock-scrim{
  display:none;position:fixed;inset:0;background:rgba(3,10,8,.6);z-index:1020;
}
.dock-scrim.is-open{display:block;}

/* ============ 页头 Hero ============ */
.page-head{
  position:relative;padding:146px 0 48px;text-align:center;
}
.page-head::after{
  content:"";position:absolute;left:50%;top:-140px;transform:translateX(-50%);
  width:min(920px,118%);height:320px;border-radius:50%;
  border:1px solid rgba(79,209,197,.2);
  border-bottom-color:transparent;border-left-color:transparent;border-right-color:transparent;
  pointer-events:none;
}
.page-head::before{
  content:"";position:absolute;left:8%;top:120px;width:5px;height:5px;border-radius:50%;
  background:rgba(184,240,74,.55);
  box-shadow:
    120px 46px 0 -1px rgba(184,240,74,.35),
    360px 12px 0 -1px rgba(79,209,197,.45),
    620px 70px 0 -1px rgba(184,240,74,.28),
    900px 26px 0 -1px rgba(255,154,60,.35);
  pointer-events:none;
}
.crumbs{
  display:flex;align-items:center;justify-content:center;gap:8px;
  font-size:13px;color:var(--ink-3);margin-bottom:22px;
}
.crumbs a{color:var(--ink-3);}
.crumbs a:hover{color:var(--brand);}
.crumbs .sep{color:var(--ink-3);opacity:.6;}
.crumbs .cur{color:var(--ink-2);}
.page-head h1{
  font-size:clamp(26px,3.6vw,40px);font-weight:800;line-height:1.28;
  max-width:880px;margin:0 auto 18px;
}
.page-head h1 em{font-style:normal;color:var(--brand);}
.head-lead{
  max-width:720px;margin:0 auto;font-size:16px;line-height:1.85;color:var(--ink-2);
}
.head-meta{
  display:flex;align-items:center;justify-content:center;gap:14px;flex-wrap:wrap;
  margin-top:26px;
}
.meta-item{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--ink-3);font-variant-numeric:tabular-nums;
}
.meta-item b{color:var(--brand);font-size:16px;font-weight:700;}
.meta-divider{width:1px;height:16px;background:var(--line-2);}

/* ============ 通用区块 ============ */
.section{padding:56px 0;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  margin-bottom:28px;flex-wrap:wrap;
}
.section-head h2{
  font-size:clamp(20px,2.4vw,26px);position:relative;padding-left:16px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:20px;border-radius:2px;background:var(--brand);
}
.section-head .sub{font-size:14px;color:var(--ink-3);margin-top:6px;padding-left:16px;}
.link-more{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--ink-2);
}
.link-more span{transition:transform .18s ease;display:inline-block;}
.link-more:hover{color:var(--brand);}
.link-more:hover span{transform:translateX(3px);}

/* ============ 筛选标签 ============ */
.filter-row{
  display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap;
  margin-bottom:32px;
}
.filter-pill{
  padding:9px 18px;border-radius:var(--r-pill);
  border:1px solid var(--line-2);background:transparent;
  color:var(--ink-2);font-size:13.5px;font-weight:600;
  transition:all .18s ease;
}
.filter-pill:hover{border-color:rgba(184,240,74,.4);color:var(--brand);}
.filter-pill.is-active{background:var(--brand);border-color:var(--brand);color:#0B1F1A;}
.filter-pill.is-active:hover{background:var(--brand-700);border-color:var(--brand-700);color:#0B1F1A;}

/* ============ 答疑卡片墙 ============ */
.card-wall{
  display:grid;grid-template-columns:repeat(3,1fr);gap:22px;
}
.q-card{
  position:relative;display:flex;flex-direction:column;
  background:var(--bg-1);border:1px solid var(--line-2);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--shadow-soft);
  transition:transform .18s ease,border-color .18s ease;
}
.q-card:hover{transform:translateY(-2px);border-color:rgba(184,240,74,.35);}
.q-card .thumb{
  position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-2);
}
.q-card .thumb img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .35s ease,opacity .18s ease;
}
.q-card:hover .thumb img{transform:scale(1.04);}
.q-card .thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,18,15,0) 45%,rgba(6,18,15,.72) 100%);
}
.q-card .tag{
  position:absolute;left:14px;top:14px;z-index:2;
  padding:4px 10px;border-radius:var(--r-pill);
  font-size:12px;font-weight:700;letter-spacing:.3px;
  color:var(--accent);background:rgba(255,154,60,.14);
  border:1px solid rgba(255,154,60,.22);
}
.q-card .body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.q-card h3{font-size:17px;font-weight:700;line-height:1.45;}
.q-card p{font-size:14px;line-height:1.75;color:var(--ink-2);margin:0;}
.q-card .foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line-2);
  display:flex;align-items:center;justify-content:space-between;gap:10px;
}
.q-card .foot .time{font-size:12.5px;color:var(--ink-3);font-variant-numeric:tabular-nums;}
.q-card .foot a{
  font-size:13px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:5px;
}
.q-card .foot a span{transition:transform .18s ease;display:inline-block;}
.q-card .foot a:hover span{transform:translateX(3px);}

/* ============ 提示条 ============ */
.tip-band{
  margin:48px 0 8px;padding:18px 22px;
  background:var(--bg-2);border-radius:var(--r-md);
  border-left:3px solid var(--accent);
  display:flex;align-items:flex-start;gap:14px;
}
.tip-band .ico{
  flex:0 0 22px;width:22px;height:22px;color:var(--accent);margin-top:2px;
}
.tip-band p{margin:0;font-size:14.5px;line-height:1.8;color:var(--ink-2);}
.tip-band strong{color:var(--ink);font-weight:700;}

/* ============ 三步流程 ============ */
.steps{
  display:grid;grid-template-columns:repeat(3,1fr);gap:22px;
}
.step{
  position:relative;padding:26px 24px 24px;
  background:var(--bg-1);border:1px solid var(--line-2);border-radius:var(--r-lg);
  overflow:hidden;transition:transform .18s ease,border-color .18s ease;
}
.step:hover{transform:translateY(-2px);border-color:rgba(184,240,74,.35);}
.step .num{
  position:absolute;right:16px;top:6px;
  font-size:52px;font-weight:800;line-height:1;
  color:rgba(184,240,74,.12);font-variant-numeric:tabular-nums;
  pointer-events:none;
}
.step h3{font-size:17px;margin-bottom:10px;position:relative;z-index:1;}
.step p{font-size:14px;line-height:1.8;color:var(--ink-2);margin:0;position:relative;z-index:1;}
.step .bar{
  width:34px;height:3px;border-radius:2px;background:var(--brand);margin-bottom:16px;
  position:relative;z-index:1;
}

/* ============ 图文交替 ============ */
.split{
  display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;
  margin-bottom:56px;
}
.split:last-child{margin-bottom:0;}
.split.rev .split-media{order:2;}
.split-media{
  position:relative;border-radius:var(--r-xl);overflow:hidden;
  border:1px solid var(--line-2);background:var(--bg-2);
  aspect-ratio:4/3;
}
.split-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.split-media:hover img{transform:scale(1.03);}
.split-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(200deg,rgba(6,18,15,.05),rgba(6,18,15,.55));
  pointer-events:none;
}
.split-text h2{font-size:clamp(20px,2.3vw,26px);margin-bottom:16px;position:relative;padding-left:16px;}
.split-text h2::before{
  content:"";position:absolute;left:0;top:6px;width:3px;height:20px;border-radius:2px;background:var(--brand);
}
.split-text p{font-size:15px;line-height:1.85;}
.check-list{margin-top:20px;display:flex;flex-direction:column;gap:12px;}
.check-list li{
  display:flex;align-items:flex-start;gap:10px;font-size:14.5px;line-height:1.75;color:var(--ink-2);
}
.check-list li svg{flex:0 0 18px;width:18px;height:18px;color:var(--brand);margin-top:3px;}

/* ============ FAQ ============ */
.faq-acc .accordion-item{
  background:var(--bg-1);border:1px solid var(--line-2) !important;
  border-radius:var(--r-lg) !important;margin-bottom:12px;overflow:hidden;
}
.faq-acc .accordion-item:last-child{margin-bottom:0;}
.faq-acc .accordion-button{
  background:transparent;color:var(--ink);font-size:16px;font-weight:600;
  padding:18px 22px;box-shadow:none !important;border-radius:var(--r-lg) !important;
  line-height:1.55;
}
.faq-acc .accordion-button:not(.collapsed){
  color:var(--brand);background:rgba(184,240,74,.06);
}
.faq-acc .accordion-button:focus{box-shadow:0 0 0 2px rgba(184,240,74,.3) !important;}
.faq-acc .accordion-button::after{
  content:"";width:18px;height:18px;flex:0 0 18px;
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23B8F04A' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M12 5v14M5 12h14'/%3E%3C/svg%3E");
  background-size:contain;background-repeat:no-repeat;background-position:center;
  transition:transform .22s ease;
}
.faq-acc .accordion-button:not(.collapsed)::after{transform:rotate(45deg);}
.faq-acc .accordion-body{
  padding:0 26px 22px;font-size:14.8px;line-height:1.85;color:var(--ink-2);
}
.faq-acc .accordion-body a{color:var(--brand);font-weight:600;}
.faq-acc .accordion-body a:hover{text-decoration:underline;}

/* ============ CTA 面板 ============ */
.cta-panel{
  position:relative;overflow:hidden;
  padding:44px 42px;border-radius:var(--r-xl);
  background:var(--bg-2);border:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:var(--shadow-soft);
}
.cta-panel::before{
  content:"";position:absolute;right:-80px;top:-120px;width:340px;height:340px;border-radius:50%;
  border:1px solid rgba(79,209,197,.18);
  border-bottom-color:transparent;border-left-color:transparent;
  pointer-events:none;
}
.cta-panel h2{font-size:clamp(20px,2.4vw,26px);margin-bottom:10px;position:relative;z-index:1;}
.cta-panel p{font-size:14.5px;color:var(--ink-2);margin:0;max-width:520px;position:relative;z-index:1;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:1;}
.cta-actions .btn-ghost.is-on{color:var(--accent);border-color:rgba(255,154,60,.45);}
.cta-actions .btn-ghost.is-on svg{fill:var(--accent);stroke:var(--accent);}
.cta-actions svg{width:16px;height:16px;}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:72px;padding:56px 0 28px;
  border-top:1px solid var(--line-2);
  background:linear-gradient(180deg,rgba(12,30,25,0),rgba(18,42,35,.5));
}
.foot-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:40px;
}
.foot-brand .brand-row{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.foot-brand .brand-row svg{width:22px;height:22px;flex:0 0 22px;}
.foot-brand .brand-row strong{font-size:15.5px;color:var(--ink);font-weight:700;letter-spacing:.3px;}
.foot-brand p{font-size:13.5px;line-height:1.8;color:var(--ink-3);margin:0;max-width:320px;}
.foot-col h4{
  font-size:13.5px;font-weight:700;color:var(--ink);margin-bottom:16px;letter-spacing:.5px;
}
.foot-col ul{display:flex;flex-direction:column;gap:10px;}
.foot-col li{font-size:13.5px;color:var(--ink-3);line-height:1.7;}
.foot-col a{font-size:13.5px;color:var(--ink-2);}
.foot-col a:hover{color:var(--brand);}
.foot-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid var(--line-2);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:var(--ink-3);
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .card-wall{grid-template-columns:repeat(2,1fr);}
  .foot-grid{grid-template-columns:1.5fr 1fr 1fr;gap:32px;}
  .foot-brand{grid-column:1 / -1;}
}
@media (max-width:991.98px){
  .dock-nav{display:none;}
  .dock-burger{display:inline-flex;}
  .dock-cta{display:none;}
  .page-head{padding:132px 0 40px;}
  .section{padding:48px 0;}
  .split{grid-template-columns:1fr;gap:26px;margin-bottom:44px;}
  .split.rev .split-media{order:0;}
  .split-media{aspect-ratio:16/9;}
  .steps{grid-template-columns:1fr;}
  .cta-panel{flex-direction:column;align-items:flex-start;padding:32px 26px;gap:24px;}
}
@media (max-width:767.98px){
  .wrap{padding:0 16px;}
  .dock{top:12px;width:calc(100% - 24px);}
  .dock-inner{height:56px;padding:0 10px 0 14px;gap:10px;}
  .dock-logo strong{font-size:14px;}
  .dock-logo .logo-full{display:none;}
  .dock-logo .logo-short{display:inline;}
  .page-head{padding:118px 0 32px;}
  .page-head::before{display:none;}
  .head-lead{font-size:15px;}
  .card-wall{grid-template-columns:1fr;}
  .tip-band{padding:16px 18px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .foot-brand{grid-column:1 / -1;}
  .foot-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .cta-actions{width:100%;}
  .cta-actions .btn-brand,.cta-actions .btn-ghost{flex:1;justify-content:center;}
}
@media (max-width:519.98px){
  .page-head h1{font-size:25px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:8px;}
  .filter-row{justify-content:flex-start;}
  .foot-grid{grid-template-columns:1fr;}
  .head-meta{gap:10px;}
  .meta-divider{display:none;}
}